Licensed Contractors in Dover, California

Dover has 2 licensed contractors registered with the California Contractors State License Board across 3 trade classifications. The most common specialties are Air and Water Balancing (1), Earthwork and Paving Contractor (1). 1 contractors hold general contractor licenses (Class A or B).

All license data is sourced from the California Contractors State License Board (CSLB). Last data update: February 20, 2026.

Contractors by Classification

General Contractors

A: General Engineering Contractor (1)

Specialty Contractors

Steven Altfillisch Active
License #562741 A, C-12 Dover, CA Est. 1989
Comprehensive Test And Balance Inc Suspended
License #1052073 D62 Dover, CA Est. 2019

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